. Diseases of economic plants. Plant diseases. CEREALS 361 tribution, being found in all the fields examined in Ohio. In one field it is estimated to have re- duced the yield from 75 bushels to 25 bushels, and it is assigned as a prominent cause of shriveling, such as is often attributed to rust, as well as of whitening and blighting of plants preceding ripening. Upon the heads the disease resembles scab, with the exception that no rose-colored coating is present; instead black acervuli are found upon close examination. Parts of the head above the points of at- tack die. The portion of the hea
. Diseases of economic plants. Plant diseases. CEREALS 361 tribution, being found in all the fields examined in Ohio. In one field it is estimated to have re- duced the yield from 75 bushels to 25 bushels, and it is assigned as a prominent cause of shriveling, such as is often attributed to rust, as well as of whitening and blighting of plants preceding ripening. Upon the heads the disease resembles scab, with the exception that no rose-colored coating is present; instead black acervuli are found upon close examination. Parts of the head above the points of at- tack die. The portion of the head that is killed is a total loss, and the general decrease in vigor of the plant results in shriveled light grains. Upon stalks and leaf sheaths, beginning at the ground and extend- ing over several internodes, the acervuli may be so numer- ous as to cause Fig. 156. — Basal portion of rye plant showing anthrac- nose upon stem and leaf sheath. After Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Stevens, Frank Lincoln, 1871-1934; Hall, John Galentine, 1870- joint author. New York, The Macmillan Company
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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1910, bookyear1910
